Car-truck



(N0 Model.)

G. W. LACY.

GAR TRUGK. No. 563,188. Patented June 430, 1896.

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GEORGE W. LACY, OF KINGSTON, NEW YORK.

CAR-TRUCK.

SPECIFICATION forming part of Letters Patent No. 563,188, dated June 30,1896.

Application tiled February 29, 1896. Serial No. 581,231. (No model.)

To all whom, it may concern:

Be it known that I, GEORGE W. LACY, a citizen of the United States,residing at Kingston, in the county of Ulster and State of New York,have invented certain new and useful Improvements in Car-Trucks, ofwhich the following is a specification, reference being had therein tothe accompanying drawings.

My invention relates to improvements in that class of trucks especiallydesigned for use on cars which are driven by their own motors, and itconstitutes an improvement on. the car-trucks for which Letters PatentNo. 503,092 were granted to me under date of August 8, 1893. Y'

The object of my invention is to provide a car-truck in which the Vsideframes will be of great strength and at the same time be comparativelylight in weight, and one in which the side frames will have greaterpowers of resisting and enduring both lateral and vertical strains thanthe side frames heretofore used.

My invention consists of the novel features of construction hereinafterset forth and described, and more particularly pointed out in the claimshereto appended.

Referring to the drawings, Figure l is a plan view of a car-truckembodying my invention with the bolster-plate and load-bearing springssupporting said plate removed from one side of the truck. Fig. 2 is aside elevation of said truck, partly in section at one end and partlybroken away at the other end. Fig. 3 is a section of the middletieplate, taken on the line 3 3 of Fig. 2.

Like letters refer to like parts throughout the several views.

In the drawings, A represents one of the side framesA of the truck, andA the side frame on the opposite side of the truck. Each of these sideframes is a duplicate of the other, being composed of parts similar inform, construction, and arrangement. A description of one of the saidframes, with its connecting parts, will therefore be suficient.

B B are the wheels, C C the axles, and D D the housings of the journalsof said axles.

E E are the pedestals which hold the journal-housings in place. Thesepedestals are, each made of metal, preferably of malleable iron, andcast in one piece and in the shape of a double yoke, which slides downover the j ournal-housings to hold them in position.

The pedestals are provided with webs ce a and flanges b b, made integralwith them. c c. denote rivet-receiving sleeves between said flanges, andd CZ ribs on said pedestal.

Each side frame is composed of the parts e effg g and e' eff g g',connected by the pedestals E E and the middle and end tieplates, orcastings, and stay or repair pieces, as hereinafter more fullydescribed.

The parts c c f f g g, which form a part of the outer portion of theside frame, are similar in form, construction, and arrangement to thecorresponding parts e' e' f' f g' g', which form a part of the innerportion of the frame, and may be made of any suitable bar steel or iron;but they are preferably made of fiat bar-steel about three inches inwidth and from about one-fourth of an inch to onehalf of an inch inthickness, or more or less according to the weight to be carried or tothe service in which the truck is to be employed. When they are made offiat steel bars, they are so arranged that their side surfaces lie insubstantially the same vertical plane. These parts e cffg g and ec ff gg are about five inches apart, that is to say, a distance apart nearlyequal to the width of the pedestal from its inner toits outer side, andare secured to their respective pedestals by rivets 71, h, driven andheaded, preferably when red-hot.

i 1l denote castings to which the outer ends of the side frames aresecured by means of rivets l.: k, passing through said outer ends andthe bolt-holes Z Z in said castings, said rivets being driven andheaded, preferably when red-hot. These castings may properly be calledthe end tie-plates above referred# to, as they serve to securely bindtogether the outer ends of the side frame. In eachof these castings arelocated spring-seats i' 'i' suitable for receiving the coiled springs 2i2. m is a vertical spring check-bolt passing through the casting i andprovided with a lug or shoulder m', upon which the coiled spring i3,located in a chamber in the under side of each casting 1l, is seated.The function of this spring-bolt mis to counteract to IOO a certainextent the upward tension of the springs 2172, and at the same timetends to relieve the springs, loca-ted between the bolsterplate and theside frame, from all strain from the push and thrust of the frame of thetruck.

The outer and inner parts of the side frame where the parts f f and f frespectively, cross each other, as illustrated in the drawings, areconnected by suitable metal pieces 'n about midway between thepedestals. These pieces may be properly called the middle7 tie-piecesabove referred to. These tieplates are formed, preferably, of one pieceof casting, having shoulders n n and rivetsleeves n.2 n2 made integralwith it and secured to the bars of the outer and inner side of the sideframe by means of rivets 'n3 n3, driven and headed, preferably whenred-hot; the said shoulders n n being so arranged and set apart at adistance sufficient to receive the bars forming the inner and outersides of the frame and to rest against the edges of said bars, torelieve the rivets from a shearing strain.

o o denote elliptical equalizing-sprin gs having their ends seated inthe spring-seats 00. These spring-seats o' o may serve as tiepiecesbetween the outer and inner sides of the side frames to prevent themfrom bending, and are secured to said side frames by means of rivets o2o2, driven and headed, preferably when red-hot.

p p are bolster-plates upon which the carbody is designed to rest and besecured, arranged longitudinally above each side frame and supported bysuitable load -bearing springs, as 212, and equalizing-springs, as o 0.

p p denote castings attached tothe under side of the bolster-plates p p,in which castings are located the seats 192192 for the upper ends of thesprings i2 2 and a recess for the upper end ofthe spring-bolt m.

q q are load-bearing springs resting upon the journal-housings D D andsupporting the pede stals E E.

o r denote stay or repair pieces adapted to Iit into the recess-at thelower ends of the pedestals E E with their ends abutting against theends of the outer and inner sides of the frame, and secured to the anges of the pedestals by means of the bolts r 9", which fit into theboltholes of said repair-pieces and in the rivetsleeves of said flanges.These repair-pieces may, by reason of such construction, beeasily takenout and permit the removal'of the axle with its housing from the sideframe. These stay or repair pieces when securely fastened in positionalso serve the purpose of making the side frame continuous and unbroken,and therefore greatly increase its strength.

u u denote the motor han ger-bars, with their ends secured to avertically-movable bolt u', the upper part of which rests upon asuitable spring u2, which has its seat in a casting secured between theouter and inner sides of the side frames, so that the motor may ride Ias easily as possible, no matter how much the car-truck may be moved outof its normal position by the unevenness of the road-bed.

By the construction above set forth it is obvious that a side frame ofgreat strength is obtained, the said frame being composed of two diamondtruss portions T and T', each dual in character and connected bysuitable pedestals and tie devices and a double-X-form truss located inthe middle portion of each frame, formed by the crossing of the parts ff and f f', respectively, as described, and one by which the objects ofthe invention above stated may be attained.

The load-bearing springs located between the bolster-plates p p and theside frames are so arranged in the length of the said frames that theweight of the load will be equally distributed upon each of the doubletruss portions of the frame, and at such points thereon that the middleportions of the side frame will coact with the truss portions to preventthe side frames from becoming bent from their normal position in eithera lateral or a vertical direction.

What I claim as my invention, and desire to have protected by LettersPatent, is

l. In a car-truck, a side frame comprising two similar doublediamond-form truss portions in combination with two pedestals, asuitable tie-plate, located between said truss portions forming adouble-X-form truss, located midway between said pedestals,substantially as described.

2. In a car-truck, a side frame comprising two similar doublediamond-form truss portions in combination with two pedestals, the outerand inner parts of said truss portions being secured respectively to theouter and inner iianges of said pedestals, spring-seats secured betweenthe outer ends of said truss portions serving as ties and adouble-X-form truss located midway between said pedestals, substantiallyas described.

3. In a car-truck, a side frame comprising two similar doublediamond-forni truss portions in combination with two pedestals lo- IOOIIO

cated between said truss portions and a tieplate n, located between saidtruss portions forming a double-X-form truss located midway between saidpedestals, substantially as described.

4. In a car-truck, a s ide frame comprising two similar doublediamond-form truss portions in combination with two pedestals locatedbetween said truss portions, said pedestals being each provided with ayoke adapted to slide over the journal-housings, and the outer and innerparts of said truss portions being secured respectively to the outer andinner iianges of the top and bottom of said pedestals and adouble-X-form truss located midway between said pedestals, substantiallyas described.

5. In a car-truck, a side frame comprising two similar doublediamond-form truss portions in combination with two pedestals lo catedbetween said truss portions, a stay or' repair piece a", and adouble-X-form truss located midway between said pedestals, substantiallyas described.

6. In a car-truck, a side frame comprising two similar doublediamond-form truss portions in combination with two pedestals locatedbetween said truss portions, a bolsterplate and load-bearing springslocated between said side frame and said bolster-plate and adouble-X-form truss located midway between said pedestals, substantiallyas described.

7. In a car-truck, a side frame comprising two similar doublediamond-form truss portions in combination with two pedestals locatedbetween said truss portions, said pedestals being provided with webs aand proj ecting flanges b, a j ournal-housing and loadbearing springlocated between said housing and the pedestal and a double-X-form trusslocated midway between said pedestals, substantially as described.

8. In a car-truck, a side frame comprising two similar doublediamond-form truss por- GEO. W. LACY. Witnesses:

N. L. FROTHINGHAM, FRANK T. WENTWORTH.

